CVE-2021-30969 Information

Description

A path handling issue was addressed with improved validation. This issue is fixed in Security Update 2021-008 Catalina macOS Big Sur 11.6.2. Processing a maliciously crafted URL may cause unexpected JavaScript execution from a file on disk.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/en-us/HT212979 https://support.apple.com/en-us/HT212981

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8